.

ssjygl-xsx-service/src/main/java/com/cowr/service/ssjygl/prepay/prepaydetail/PrepayDetailSyncService.java

@@ -32,8 +32,10 @@ public class PrepayDetailSyncService extends BaseSyncService {
                 return Result.failed("按客户 id 未找到对应客户信息");
             }
 
-            if (model.checkDuplicate("serialnum")) {
-                return Result.failedstr("流水号【%s】已存在", model.getSerialnum());
+            PrepayDetail chk = PrepayDetail.dao.findFirst("select * from prepay_detail t where t.serialnum = ? and t.state < 9 limit 1", model.getSerialnum());
+
+            if (chk != null) {
+                return Result.failedstr("流水号【%s】已使用", model.getSerialnum());
             }
 
             model.setId(StrKit.getRandomUUID());